While studying history, Gesa Jäger went through various internship programs, where she discovered her passion for editing and subsequently completed an apprenticeship for film and news editing at the Norddeutscher Rundfunk (NDR) in Hamburg.

Following a brief period of employment at NDR, she enrolled at the Filmuniversity Babelsberg Konrad Wolf, studying Film Editing and editing several shorts and a feature film.
Gesa Jäger graduated with a Master of Fine Arts degree in September 2013 with the feature film „LOVE STEAKS,“ which was not only nominated for the German Film Awards, but also won her the „NRW Schnitt Preis Spielfilm“ at film+ festival in Cologne 2014 and the „Award for outstanding achievement in Editing“ at New York First Time Fest 2014.

In 2019, she was awarded the „Filmkunstpreis Sachsen-Anhalt/Special Schnitt“ by the Filmkunsttage Sachsen-Anhalt, which also presented an exhibition of her other work. That same year she was awarded the „Bild Kunst Schnitt Preis Dokumentarfilm“ at the film+ Festival for her editing of „Dreamaway,“ an Egyptian-German co-production.

„Unorthodox,“ which she edited alongside Hansjörg Weißbrich in the fall 2019, won director Maria Schrader a „Primetime Emmy Award“ for outstanding directing of a limited series in 2020 and the Grimmepreis Fiction in 2021.

In 2022 she has been the lead editor in Anna Winger’s new Netflix-Show „Transatlantic“.

Her latest work „Das Lehrerzimmer“, directed by Ilker Çatak, was nominated for 7 Lolas at the German Film Awards 2023 and won 5 of them – rewarding not only her with an award for Best Editing but also the whole film with a Golden Lola for Best Film.